# 方式1
# import time
#
# print("你好")
# time.sleep(5)
# print("我好")

# 方式er
# from time import sleep
#
# print("你好")
# sleep(5)
# print("我好")

# 方式三
# from time import *
#
# print("你好")
# sleep(5)
# print("我好")

# 方式四
from time import sleep as s1

print("你好")
s1(5)
print("我好")
